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Ertha Jo, Frontier Mentor

Card details, tags, similarity scores, and printings.

Ertha Jo, Frontier Mentor

Legendary Creature — Kor Advisor

When Ertha Jo enters, create a 1/1 red Mercenary creature token with ": Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery." Whenever you activate an ability that targets a creature or player, copy that ability. You may choose new targets for the copy.

$0.26

Commander: LegalModern: Legal

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Tags and classifications

Card attributes are distinct from inferred themes. AI themes and predicted tags are suggestions, not rules text; check the card before relying on a surprising classification.

Ability tags

ActivatedTriggered

Mana costs

× 1 × 1Multicolored cost

Classes and roles

Advisor

Creature kinds

Kor

Color identity

RW

Mana value

Mana value 4

Theme tags

Card DrawTokens

Timing tags

Timing Sorcery

Type tags

Creature

AI themes

Custom Ability CopyTokens

Predicted tags

Card Draw

Similar cards

Showing 49–72 of 34,604 candidates

These rankings describe text and metadata resemblance, not synergy, win rates, or claims that a card counters yours.

Trickbind

Score 0.491unitless formula ranking

Instant · Mana cost: · Color identity: U

Shared traits: No shared tags

Score details
Text (embedding)
0.791
Tags and themes
0.000
Color identity
0.000
Mana cost
0.167

No shared tags contributed to this comparison.

Welding Jar

Score 0.491unitless formula ranking

Artifact · Mana cost: {0} · Color identity: Colorless

Shared traits: Timing Sorcery

Score details
Text (embedding)
0.772
Tags and themes
0.091
Color identity
0.000
Mana cost
0.100

Shared tags

Timing Sorcery

Slumbering Waterways

Score 0.491unitless formula ranking

Land · Mana cost: — · Color identity: UG

Shared traits: Activated

Score details
Text (embedding)
0.777
Tags and themes
0.077
Color identity
0.000
Mana cost
0.100

Shared tags

Activated

More or Less

Score 0.492unitless formula ranking

Instant · Mana cost: · Color identity: U

Shared traits: No shared tags

Score details
Text (embedding)
0.799
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Salt Marsh

Score 0.492unitless formula ranking

Land · Mana cost: — · Color identity: UB

Shared traits: Activated

Score details
Text (embedding)
0.769
Tags and themes
0.100
Color identity
0.000
Mana cost
0.100

Shared tags

Activated

One with Death

Score 0.492unitless formula ranking

Instant · Mana cost: · Color identity: B

Shared traits: No shared tags

Score details
Text (embedding)
0.799
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Component Pouch

Score 0.492unitless formula ranking

Artifact · Mana cost: · Color identity: Colorless

Shared traits: Activated, Timing Sorcery

Score details
Text (embedding)
0.704
Tags and themes
0.222
Color identity
0.000
Mana cost
0.250

Shared tags

ActivatedTiming Sorcery

Thermal Flux

Score 0.492unitless formula ranking

Instant · Mana cost: · Color identity: U

Shared traits: No shared tags

Score details
Text (embedding)
0.799
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Glacial Chasm

Score 0.492unitless formula ranking

Land · Mana cost: — · Color identity: Colorless

Shared traits: Triggered

Score details
Text (embedding)
0.773
Tags and themes
0.091
Color identity
0.000
Mana cost
0.100

Shared tags

Triggered

Retract

Score 0.492unitless formula ranking

Instant · Mana cost: · Color identity: U

Shared traits: No shared tags

Score details
Text (embedding)
0.799
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Surge Node

Score 0.492unitless formula ranking

Artifact · Mana cost: · Color identity: Colorless

Shared traits: Timing Sorcery

Score details
Text (embedding)
0.762
Tags and themes
0.111
Color identity
0.000
Mana cost
0.125

Shared tags

Timing Sorcery

Costume Shop

Score 0.492unitless formula ranking

Artifact — Attraction · Mana cost: — · Color identity: Colorless

Shared traits: Timing Sorcery

Score details
Text (embedding)
0.767
Tags and themes
0.111
Color identity
0.000
Mana cost
0.100

Shared tags

Timing Sorcery

Submerged Boneyard

Score 0.493unitless formula ranking

Land · Mana cost: — · Color identity: UB

Shared traits: Activated

Score details
Text (embedding)
0.771
Tags and themes
0.100
Color identity
0.000
Mana cost
0.100

Shared tags

Activated

Suffocation

Score 0.493unitless formula ranking

Instant · Mana cost: · Color identity: U

Shared traits: No shared tags

Score details
Text (embedding)
0.793
Tags and themes
0.000
Color identity
0.000
Mana cost
0.167

No shared tags contributed to this comparison.

Riverglide Pathway // Lavaglide Pathway

Score 0.493unitless formula ranking

Land // Land · Mana cost: — · Color identity: UR

Shared traits: No shared tags

Score details
Text (embedding)
0.749
Tags and themes
0.000
Color identity
0.333
Mana cost
0.100

No shared tags contributed to this comparison.

Vayne's Treachery

Score 0.493unitless formula ranking

Instant · Mana cost: · Color identity: B

Shared traits: No shared tags

Score details
Text (embedding)
0.795
Tags and themes
0.000
Color identity
0.000
Mana cost
0.167

No shared tags contributed to this comparison.

Eject the Warp Core

Score 0.494unitless formula ranking

Instant · Mana cost: · Color identity: B

Shared traits: No shared tags

Score details
Text (embedding)
0.795
Tags and themes
0.000
Color identity
0.000
Mana cost
0.167

No shared tags contributed to this comparison.

Yavimaya, Cradle of Growth

Score 0.494unitless formula ranking

Legendary Land · Mana cost: — · Color identity: Colorless

Shared traits: No shared tags

Score details
Text (embedding)
0.806
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Oxidize

Score 0.494unitless formula ranking

Instant · Mana cost: · Color identity: G

Shared traits: No shared tags

Score details
Text (embedding)
0.802
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Wash Away

Score 0.494unitless formula ranking

Instant · Mana cost: · Color identity: U

Shared traits: No shared tags

Score details
Text (embedding)
0.802
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Seafloor Debris

Score 0.494unitless formula ranking

Land · Mana cost: — · Color identity: U

Shared traits: Activated

Score details
Text (embedding)
0.774
Tags and themes
0.100
Color identity
0.000
Mana cost
0.100

Shared tags

Activated

Fabled Passage

Score 0.494unitless formula ranking

Land · Mana cost: — · Color identity: Colorless

Shared traits: No shared tags

Score details
Text (embedding)
0.807
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Planar Nexus

Score 0.494unitless formula ranking

Land · Mana cost: — · Color identity: Colorless

Shared traits: Activated

Score details
Text (embedding)
0.770
Tags and themes
0.111
Color identity
0.000
Mana cost
0.100

Shared tags

Activated

Flash Flood

Score 0.495unitless formula ranking

Instant · Mana cost: · Color identity: U

Shared traits: No shared tags

Score details
Text (embedding)
0.804
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

How ranking works

Balanced: 0.60*text + 0.20*tags + 0.10*color + 0.10*cost. Outputs are unitless rankings, not percentages or probabilities. Most similar shows the highest scores; Typical overlap is nearest the catalog median (0.612); Least similar shows the lowest scores.

Text uses cosine resemblance (−1 to 1) between 384-number embeddings when available, or lexical fallback otherwise. Tags use Jaccard overlap of approved tags and AI themes, excluding predicted tags and separately scored color/cost tags. Color compares W/U/B/R/G identity. Mana cost combines mana-value proximity, 1 / (1 + the difference), with mana-symbol overlap. Tags, color, and cost range from 0 to 1.

Model: bge-small-en-v1.5. 34,605 of 34,605 catalog cards currently have embeddings.

Potential relationships

1,031 of 34,605 canonical cards have AI-derived resource labels. Label model: gpt-5.6-luna.

This card is missing AI-derived resource labels, so potential synergies and answers are unavailable. No text or predicted-tag inference is used.

About relationship labels

These labels are AI-derived resource matches, not reviewed or rules-validated interactions. Check deck legality, color identity, costs, timing, restrictions, and the cards themselves.

Printings
SetLanguageCollectorReleasedRarityPrice
The ListenOTJ-2032026-11-09uncommon—
Outlaws of Thunder Junctionde2032024-04-19uncommon—
Outlaws of Thunder Junctionja2032024-04-19uncommon—
Outlaws of Thunder Junctiones2032024-04-19uncommon—
Outlaws of Thunder Junctionen2032024-04-19uncommon$0.26
Outlaws of Thunder Junctionit2032024-04-19uncommon—
Outlaws of Thunder Junctionzhs2032024-04-19uncommon—
Outlaws of Thunder Junctionfr2032024-04-19uncommon—
Outlaws of Thunder Junctionpt2032024-04-19uncommon—